rename AntiKT4 as AK4 in all FastJetProducers and related modules of the HLT Run2 menu
Merge pull request #4936 from perrotta/renameAk4FastJetProducers

Rename AntiKT4 as AK4 in all FastJetProducers and related modules of the HLT Run2 menu
Merge remote-tracking branch 'origin/CMSSW_7_2_X' into CMSSW_7_0_X